How do I troubleshot the "Problem Found - Message Not Sent" message in Yahoo Mail.

Learn more about the Invalid Password error when signing in to your account.

Learn how to find whether a business mailbox is active or pending.

Learn how to add, edit, and delete folders to organize your mail.

Learn common reasons why your messages might not be arriving correctly.

Learn how to forward and reply to emails in your account.

Learn how to view email headers in your business email.

Learn how to change the email address to where your recipients' replies are sent.

Learn how to edit the name that is seen in your sent messages.